The correct option is D Pyridoxine and folic acid
Hypochromic microcytic anaemia is the type of anemia characterized by small RBCs (called as microcytes) appear paler than usual. It is caused by pyridoxine deficiency. Leucopenia is a decrease in the number of WBCs. There are many causes of leucopenia, one is folate deficiency. Thus, the correct answer is option B.